organomegaly

noun
or·​ga·​no·​meg·​a·​ly | \ ˌȯr-gə-nō-ˈmeg-ə-lē How to pronounce organomegaly (audio) \
plural organomegalies

Medical Definition of organomegaly

: abnormal enlargement of the viscera

called also splanchnomegaly, visceromegaly